USN-8909-1

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Source
https://ubuntu.com/security/notices/USN-8909-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8909-1
Upstream
Related
Published
2026-10-08T17:11:46Z
Modified
2026-10-10T01:11:51Z
Summary
libde265 vulnerability
Details

It was discovered that libde265 did not properly validate certain crafted H.265 bitstreams, leading to a NULL pointer dereference. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:24.04:LTS
libde265

Package

Name
libde265
Purl
pkg:deb/ubuntu/libde265?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.0.15-1ubuntu0.2

Affected versions

1.*
1.0.12-2
1.0.13-1
1.0.15-1
1.0.15-1build1
1.0.15-1build2
1.0.15-1build3
1.0.15-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libde265-0",
            "binary_version": "1.0.15-1ubuntu0.2"
        },
        {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.15-1ubuntu0.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-88373",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"
Ubuntu:Pro:16.04:LTS
libde265

Package

Name
libde265
Purl
pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.0.2-2ubuntu0.16.04.1~esm7

Affected versions

1.*
1.0.2-1build1
1.0.2-2
1.0.2-2ubuntu0.16.04.1~esm1
1.0.2-2ubuntu0.16.04.1~esm2
1.0.2-2ubuntu0.16.04.1~esm3
1.0.2-2ubuntu0.16.04.1~esm4
1.0.2-2ubuntu0.16.04.1~esm5
1.0.2-2ubuntu0.16.04.1~esm6

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libde265-0",
            "binary_version": "1.0.2-2ubuntu0.16.04.1~esm7"
        },
        {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.2-2ubuntu0.16.04.1~esm7"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-88373",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"
Ubuntu:Pro:18.04:LTS
libde265

Package

Name
libde265
Purl
pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.0.2-2ubuntu0.18.04.1~esm7

Affected versions

1.*
1.0.2-2build1
1.0.2-2ubuntu0.18.04.1~esm1
1.0.2-2ubuntu0.18.04.1~esm2
1.0.2-2ubuntu0.18.04.1~esm3
1.0.2-2ubuntu0.18.04.1~esm4
1.0.2-2ubuntu0.18.04.1~esm5
1.0.2-2ubuntu0.18.04.1~esm6

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libde265-0",
            "binary_version": "1.0.2-2ubuntu0.18.04.1~esm7"
        },
        {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.2-2ubuntu0.18.04.1~esm7"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-88373",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"
Ubuntu:Pro:20.04:LTS
libde265

Package

Name
libde265
Purl
pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.0.4-1ubuntu0.4+esm3

Affected versions

1.*
1.0.3-1build1
1.0.4-1
1.0.4-1build1
1.0.4-1ubuntu0.1
1.0.4-1ubuntu0.2
1.0.4-1ubuntu0.3
1.0.4-1ubuntu0.4
1.0.4-1ubuntu0.4+esm1
1.0.4-1ubuntu0.4+esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libde265-0",
            "binary_version": "1.0.4-1ubuntu0.4+esm3"
        },
        {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.4-1ubuntu0.4+esm3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-88373",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"
Ubuntu:Pro:22.04:LTS
libde265

Package

Name
libde265
Purl
pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.0.8-1ubuntu0.3+esm3

Affected versions

1.*
1.0.8-1
1.0.8-1ubuntu0.1
1.0.8-1ubuntu0.2
1.0.8-1ubuntu0.3
1.0.8-1ubuntu0.3+esm1
1.0.8-1ubuntu0.3+esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libde265-0",
            "binary_version": "1.0.8-1ubuntu0.3+esm3"
        },
        {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.8-1ubuntu0.3+esm3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-88373",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"
Ubuntu:Pro:26.04:LTS
libde265

Package

Name
libde265
Purl
pkg:deb/ubuntu/libde265?arch=source&distro=esm-apps%2Fresolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.0.16-1ubuntu0.1~esm2

Affected versions

1.*
1.0.16-1
1.0.16-1build1
1.0.16-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libde265-0",
            "binary_version": "1.0.16-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libde265-examples",
            "binary_version": "1.0.16-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-88373",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8909-1.json"